package com.right.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**********************************************
 * @author pillar
 * @date ${DATE}
 **********************************************/
@Component
public class SpringUtil implements ApplicationContextAware {
  
    private static ApplicationContext applicationContext = null;
  
    @Override  
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
       if(SpringUtil.applicationContext == null){  
           SpringUtil.applicationContext  = applicationContext;
       }
    }  
  

    private static ApplicationContext getApplicationContext() {
       return applicationContext;
    }

    /**
     * 根据名称获取bean对象
     * @param name
     * @return
     */
    public static Object getBean(String name){
       return getApplicationContext().getBean(name);  
    }
    /**
     * 通过class获取Bean.
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }
  
}  